December 2030 Événements célestes

Lieu d'observation:Beijing (39.904°, 116.407°)

Aperçu des événements célestes mensuels

21 événements célestes au total, dont 5 phases lunaires et 2 événements planétaires.

Événements célestes quotidiens

Toutes les heures en heure locale (Asia/Shanghai)

Group Date Lever/Coucher du soleil Lever/Coucher de la lune Phase lunaire Événements célestes

Planetary outlook

December 2030 mid-month observing conditions

Mercury

Fair
Magnitude apparente: 5.6
Constellation: Sagittarius
Angular diameter: 9.9"
Status: near superior conjunction

Observation tip: Binoculars are recommended; Mercury stays close to the Sun; best seen at dusk or dawn

Ascension droite: 17h38m17s
Déclinaison: -21°44'36"

Venus

Excellent
Magnitude apparente: -3.9
Constellation: Capricornus
Angular diameter: 10.1"
Status: near greatest western elongation

Observation tip: Very bright, easily visible to the naked eye; Venus is the brightest planet and is best seen at dusk or dawn

Ascension droite: 18h29m36s
Déclinaison: -24°11'47"

Mars

Excellent
Magnitude apparente: 1.3
Constellation: Libra
Angular diameter: 5.4"
Status: near eastern quadrature

Observation tip: Visible to the naked eye; Its reddish appearance is obvious; it is best observed near opposition

Ascension droite: 12h51m53s
Déclinaison: -03°44'26"

Jupiter

Excellent
Magnitude apparente: -1.8
Constellation: Sagittarius
Angular diameter: 31.3"
Status: near eastern quadrature

Observation tip: Very bright, easily visible to the naked eye; Its moons are easy to spot and it is excellent for telescope observing

Ascension droite: 16h40m50s
Déclinaison: -21°36'38"

Saturn

Excellent
Magnitude apparente: -0.3
Constellation: Gemini
Angular diameter: 20.4"
Status: near western quadrature

Observation tip: Very bright, easily visible to the naked eye; Saturn’s rings require a telescope to see clearly

Ascension droite: 04h09m54s
Déclinaison: +18°56'00"

Uranus

Fair
Magnitude apparente: 5.5
Constellation: Gemini
Angular diameter: 3.9"
Status: near western quadrature

Observation tip: Binoculars are recommended; Binoculars or a telescope are recommended

Ascension droite: 05h19m47s
Déclinaison: +23°12'28"

Neptune

Fair
Magnitude apparente: 7.7
Constellation: Aries
Angular diameter: 2.3"
Status: near western quadrature

Observation tip: A telescope is required; A telescope is required; Neptune appears blue-green

Ascension droite: 00h41m21s
Déclinaison: +02°45'47"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Leo
Angular diameter: 11664.4"
Status: Moon illumination 78.5%

Observation tip: Moon illumination 78.5%; good for observing lunar surface detail

Ascension droite: 09h16m21s
Déclinaison: +10°37'06"